WLS 5.1.0 SP8 - Issue in failover behavior of NSAPI plugin
(Doc ID 767519.1)
Last updated on JULY 15, 2021
Applies to:Oracle WebLogic Server - Version 6.1 to 6.1
Information in this document applies to any platform.
The problem faced is the fail-over behavior, when NSAPI plugin (WLS5.1/SP8) is used to proxy requests to a back-end cluster of WLS5.1 instances.
In this case two WLS instances are part of the cluster, with one WLS instance running in NT machine 1 and another WLS instance running in NT machine 2. When a .jsp request is made (such as http://cohen.beasys.com/weblogic/HelloWorld.jsp, where cohen.beasys.com is hosting the Netscape 3.6 webserver), with this request being served from the WLS instance in machine 1 and a Ctrl-C is performed on the WLS instance (running in machine 1) to kill the process, fail-over occurs normally to the WLS instance running in machine 2. However, when the network cable connected to machine 1 is disconnected, then fail-over does not occur. The following error message is produced:
CONFIGURATION: WLS5.1/SP8, NT4.0, JDK1.2.2, NES3.6 Webserver, NSAPI plugin (WLS5.1/SP8).
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